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path: root/drivers/net/mdio.c
AgeCommit message (Expand)Author
2019-06-19treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 500Thomas Gleixner
2017-01-02net: mdio: add mdio45_ethtool_ksettings_getPhilippe Reynes
2013-12-26mdio: unused ethtool functionsstephen hemminger
2012-03-01ethtool, mdio, mii: Specify MDIO information fields in struct ethtool_cmdBen Hutchings
2011-04-29ethtool: cosmetic: Use ethtool ethtool_cmd_speed APIDavid Decotigny
2011-04-29ethtool: Call ethtool's get/set_settings callbacks with cleaned dataDavid Decotigny
2009-10-12mdio: Expose pause frame advertising flags to ethtoolBen Hutchings
2009-10-12mdio: Advertise pause (flow control) settings even if autoneg is offBen Hutchings
2009-09-03netdev: Remove redundant checks for CAP_NET_ADMIN in MDIO implementationsBen Hutchings
2009-08-26mdio: Check MDIO_STAT1_FAULT in mdio45_links_ok()Ben Hutchings
2009-06-25mdio add missing GPL flagNicolas Reinecke
2009-06-11mdio: Expose 10GBASE-T MDI-X status via ethtoolBen Hutchings
2009-04-29ethtool/mdio: Support backplane mode negotiationBen Hutchings
2009-04-29ethtool/mdio: Report MDIO mode support and link partner advertisingBen Hutchings
2009-04-29mdio: Add mdio45_ethtool_spauseparam_an()Ben Hutchings
2009-04-29mdio: Add generic MDIO (clause 45) support functionsBen Hutchings
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/* $Id: audit.c,v 1.6 2011/01/17 10:15:30 dtucker Exp $ */

/*
 * Copyright (c) 2004, 2005 Darren Tucker.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

#include "includes.h"

#include <stdarg.h>
#include <string.h>

#ifdef SSH_AUDIT_EVENTS

#include "audit.h"
#include "log.h"
#include "key.h"
#include "hostfile.h"
#include "auth.h"

/*
 * Care must be taken when using this since it WILL NOT be initialized when
 * audit_connection_from() is called and MAY NOT be initialized when
 * audit_event(CONNECTION_ABANDON) is called.  Test for NULL before using.
 */
extern Authctxt *the_authctxt;

/* Maybe add the audit class to struct Authmethod? */
ssh_audit_event_t
audit_classify_auth(const char *method)
{
	if (strcmp(method, "none") == 0)
		return SSH_AUTH_FAIL_NONE;
	else if (strcmp(method, "password") == 0)
		return SSH_AUTH_FAIL_PASSWD;
	else if (strcmp(method, "publickey") == 0 ||
	    strcmp(method, "rsa") == 0)
		return SSH_AUTH_FAIL_PUBKEY;
	else if (strncmp(method, "keyboard-interactive", 20) == 0 ||
	    strcmp(method, "challenge-response") == 0)
		return SSH_AUTH_FAIL_KBDINT;
	else if (strcmp(method, "hostbased") == 0 ||
	    strcmp(method, "rhosts-rsa") == 0)
		return SSH_AUTH_FAIL_HOSTBASED;
	else if (strcmp(method, "gssapi-with-mic") == 0)
		return SSH_AUTH_FAIL_GSSAPI;
	else
		return SSH_AUDIT_UNKNOWN;
}

/* helper to return supplied username */
const char *
audit_username(void)
{
	static const char unknownuser[] = "(unknown user)";
	static const char invaliduser[] = "(invalid user)";

	if (the_authctxt == NULL || the_authctxt->user == NULL)
		return (unknownuser);
	if (!the_authctxt->valid)
		return (invaliduser);
	return (the_authctxt->user);
}

const char *
audit_event_lookup(ssh_audit_event_t ev)
{
	int i;
	static struct event_lookup_struct {
		ssh_audit_event_t event;
		const char *name;
	} event_lookup[] = {
		{SSH_LOGIN_EXCEED_MAXTRIES,	"LOGIN_EXCEED_MAXTRIES"},
		{SSH_LOGIN_ROOT_DENIED,		"LOGIN_ROOT_DENIED"},
		{SSH_AUTH_SUCCESS,		"AUTH_SUCCESS"},
		{SSH_AUTH_FAIL_NONE,		"AUTH_FAIL_NONE"},
		{SSH_AUTH_FAIL_PASSWD,		"AUTH_FAIL_PASSWD"},
		{SSH_AUTH_FAIL_KBDINT,		"AUTH_FAIL_KBDINT"},
		{SSH_AUTH_FAIL_PUBKEY,		"AUTH_FAIL_PUBKEY"},
		{SSH_AUTH_FAIL_HOSTBASED,	"AUTH_FAIL_HOSTBASED"},
		{SSH_AUTH_FAIL_GSSAPI,		"AUTH_FAIL_GSSAPI"},
		{SSH_INVALID_USER,		"INVALID_USER"},
		{SSH_NOLOGIN,			"NOLOGIN"},
		{SSH_CONNECTION_CLOSE,		"CONNECTION_CLOSE"},
		{SSH_CONNECTION_ABANDON,	"CONNECTION_ABANDON"},
		{SSH_AUDIT_UNKNOWN,		"AUDIT_UNKNOWN"}
	};

	for (i = 0; event_lookup[i].event != SSH_AUDIT_UNKNOWN; i++)
		if (event_lookup[i].event == ev)
			break;
	return(event_lookup[i].name);
}

# ifndef CUSTOM_SSH_AUDIT_EVENTS
/*
 * Null implementations of audit functions.
 * These get used if SSH_AUDIT_EVENTS is defined but no audit module is enabled.
 */

/*
 * Called after a connection has been accepted but before any authentication
 * has been attempted.
 */
void
audit_connection_from(const char *host, int port)
{
	debug("audit connection from %s port %d euid %d", host, port,
	    (int)geteuid());
}

/*
 * Called when various events occur (see audit.h for a list of possible
 * events and what they mean).
 */
void
audit_event(ssh_audit_event_t event)
{
	debug("audit event euid %d user %s event %d (%s)", geteuid(),
	    audit_username(), event, audit_event_lookup(event));
}

/*
 * Called when a user session is started.  Argument is the tty allocated to
 * the session, or NULL if no tty was allocated.
 *
 * Note that this may be called multiple times if multiple sessions are used
 * within a single connection.
 */
void
audit_session_open(struct logininfo *li)
{
	const char *t = li->line ? li->line : "(no tty)";

	debug("audit session open euid %d user %s tty name %s", geteuid(),
	    audit_username(), t);
}

/*
 * Called when a user session is closed.  Argument is the tty allocated to
 * the session, or NULL if no tty was allocated.
 *
 * Note that this may be called multiple times if multiple sessions are used
 * within a single connection.
 */
void
audit_session_close(struct logininfo *li)
{
	const char *t = li->line ? li->line : "(no tty)";

	debug("audit session close euid %d user %s tty name %s", geteuid(),
	    audit_username(), t);
}

/*
 * This will be called when a user runs a non-interactive command.  Note that
 * it may be called multiple times for a single connection since SSH2 allows
 * multiple sessions within a single connection.
 */
void
audit_run_command(const char *command)
{
	debug("audit run command euid %d user %s command '%.200s'", geteuid(),
	    audit_username(), command);
}
# endif  /* !defined CUSTOM_SSH_AUDIT_EVENTS */
#endif /* SSH_AUDIT_EVENTS */
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